EP0051010A1 - Machine for automatically putting sliders in position on stringer tapes with profiled interlocking members - Google Patents

Machine for automatically putting sliders in position on stringer tapes with profiled interlocking members Download PDF

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Publication number
EP0051010A1
EP0051010A1 EP81401585A EP81401585A EP0051010A1 EP 0051010 A1 EP0051010 A1 EP 0051010A1 EP 81401585 A EP81401585 A EP 81401585A EP 81401585 A EP81401585 A EP 81401585A EP 0051010 A1 EP0051010 A1 EP 0051010A1
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EP
European Patent Office
Prior art keywords
sliders
rotor
bands
stator
closing
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Granted
Application number
EP81401585A
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German (de)
French (fr)
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EP0051010B1 (en
Inventor
Gilbert Hugues
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Flexico France SARL
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Flexico France SARL
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Publication of EP0051010A1 publication Critical patent/EP0051010A1/en
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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • A44B19/62—Assembling sliders in position on stringer tapes

Definitions

  • the present invention relates to a machine for the automatic installation of sliders on closure strips with coupling profiles, this machine comprising means for feeding the sliders one after the other and in a determined position, guide means a pair of cooperating closing strips along an essentially rectilinear path, and means for opening the sliders and introducing them onto the strips.
  • a slider laying machine of the type mentioned at the beginning is, in accordance with the invention, characterized in that said means for opening the sliders and introducing them onto the strips essentially comprise, on the one hand, a rotor coupled to motor means allowing it to be driven in rotation step by step, this rotor being provided at its periphery with housings opening in the radial direction and capable of each receiving, in turn, a cursor at a location arrival of successive sliders, and on the other hand a stator, extending along a part of the periphery of said rotor, essentially between said location of arrival of the sliders and said path of the closing closing bands, said rotor housings having, towards the terminal end of the stator, a path practically tangent to said path, said stator.
  • said ramp system can advantageously, and simply, be constituted by a conformation in "V" from the bottom of the rotor housings, along which the edges of said cheeks can thus slide when the cursor is gradually pressed towards the bottom of its housing by the action of said stator bearing surface, which causes opening said cursor while it is moving towards the bands.
  • said sliders are of a type comprising, opposite their bottom, namely at the ends of their introduction face, one or two pairs of ears, and that, in such a case, for obtaining the same effect as previously, said ramp system comprises, in said stator bearing surface, grooves or the like, receiving said ears and gradually removing them, to open the cursor while the latter moved this towards the uanaes.
  • the known machine has been shown, in FIGS. 1 to 4, as adapted to engage on a pair of closure strips 1, with coupling profiles 2, known sliders of the type comprising on their bottom 3 outer cheeks 4.
  • the introduction face of the cursors has been referenced in 5; it is indeed the face, opposite the bottom 3, by which the sliders will be introduced on the pair of strips 1.
  • the sliders are made of an appropriate synthetic material, giving them a certain elasticity.
  • the sliders are brought one by one to the machine by any suitable feeding means (vibrating bowl, slides), capable of giving them a well-defined orientation. They are thus introduced between the two jaws 6 of the machine, which can pivot around axes 7 ( Figure 1).
  • Appropriate control means then pivot the two jaws, whose heels 8, by pinching the cheeks 4, then cause the opening of the cursor, by elastic folding along the median line of its bottom 3 ( Figure 2); the scrolling of the bands 1 being stopped, pliers (not shown) enclose the two closure bands 1 on each side of the location at which the cursor is to be introduced.
  • the open jaws 6 then advance towards the bands (FIG. 3) for the introduction of the cursor, then move away from it to release it (FIG. 4).
  • the aforementioned clamps release the bands, which can then be returned to the running movement, then the jaws 6 return to their initial position, after which the cycle can be repeated as described above.
  • the rotor mentioned above is referenced at 9 and provided at its periphery with housings 10 opening in the radial direction and suitable for receiving the cursors (generally referenced at 11).
  • the rotor 9 can be driven step by step, for example by means of a ratchet wheel (not shown) actuated itself by a jack controlled in synchronism with the supply of the successive sliders 11, as well as with the welding rate.
  • stator 12 Along a part of the periphery of the rotor 9, between the location of arrival of the sliders 11 (lower part of FIG. 5) and the path followed by the closure strips 1, extends an arcuate stator 12.
  • This stator has a bearing surface 13 with respect to the rotor 9 and it is eccentric with respect to the rotor so that the space between this surface 13 and the bottom 14 of the housings 10 goes gradually decreasing in the direction rotor rotation (arrow 15).
  • a machine according to the invention is of a simplified constitution and also of a very simple and practically continuous operation; in particular, it requires no adjustment and it has been found that it is also very reliable to operate.
  • FIGS. 7a and 7b there is shown, as a variant, another type of cursor, referenced at 22, and which can also be placed by a machine according to the invention.
  • the machine could also make it possible to carry out automatic installation, no longer of sliders made of elastic synthetic material, but of metal sliders 24 which are pre-covered, molded or stamped (FIG. 8).
  • the machine would then be modified to no longer cause a progressive opening of the cursor but of course to cause the progressive closing of the cursor until it comes, at the terminal end of the stator 12, to enclose the closure strips 1 and their coupling profile 2.

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  • Basic Packing Technique (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

In a machine for automatically mounting sliders 11 on closure strips 1 having interengageable profiles 2, the sliders are fed in succession into respective locations 14 provided at the periphery of a rotor 9 set in rotation by a step-by-step drive motor. Between the periphery of the rotor and an arcuate stator 12 a progressively decreasing gap is provided in the direction of rotation 15 of the rotor. Support of the extremities of the sliders on the stator causes their progressive opening or closing until they arrive tangentially at the closure strips. As shown, the sliders 11 are opened by slopes 17 and close under their own resilience on to the strips 1. <IMAGE>

Description

La présente invention concerne une machine pour la pose automatique de curseurs sur des bandes de fermeture à profilés d'accouplement, cette machine comportant des moyens d'amenée des curseurs les uns à la suite des autres et dans une position déterminée, des moyens de guidage d'une paire de bandes de fermeture coopérantes selon un trajet essentiellement rectiligne, et des moyens pour ouvrir les curseurs et les introduire sur les bandes.The present invention relates to a machine for the automatic installation of sliders on closure strips with coupling profiles, this machine comprising means for feeding the sliders one after the other and in a determined position, guide means a pair of cooperating closing strips along an essentially rectilinear path, and means for opening the sliders and introducing them onto the strips.

L'invention concerne plus particulièrement lesdits moyens qui sont prévus pour ouvrir les curseurs et les introduire sur les bandes de fermeture.The invention relates more particularly to said means which are provided for opening the sliders and introducing them onto the closure strips.

On connait actuellement une machine dans laquelle cette opération est effectuée par des mâchoires à mouvements complexes. Le principe en sera décrit plus bas, avec référence au dessin ci-annexé. Cette machine est très compliquée, à la fois de conception et en ce qui concerne ses réglages, n'est pas d'un fonctionnement suffisamment sûr, et les cadences de pose sont limitées à environ trente-cinq curseurs posés à la minute, ce qui limite de façon gênante la vitesse maximale de défilement des bandes ; en effet, les soudeuses actuelles, pour la fixation des bandes sur des sacs en matière synthétique ou autres supports, ont leur vitesse de travail limitée de ce fait, et la production est bien inférieure à ce qu'elle pourrait être sans cette sujétion de pose de curseurs.A machine is currently known in which this operation is carried out by jaws with complex movements. The principle will be described below, with reference to the attached drawing. This machine is very complicated, both in terms of design and in terms of its settings, is not sufficiently safe to operate, and the application rates are limited to approximately thirty-five cursors applied per minute, which annoyingly limits the maximum speed at which the tapes run; in fact, current welders, for fixing the strips to plastic bags or other supports, have their working speed limited thereby, and production is much lower than it could be without this laying subjection sliders.

Le but de la présente invention est de remédier à ces inconvénients et de créer une nouvelle machine plus simple, plus fiable, et autorisant des cadences de pose bien supérieures aux cadences actuelles, ce qui permettra de donner leur plein rendement aux soudeuses, et d'augmenter ainsi la production.The object of the present invention is to remedy these drawbacks and to create a new machine which is simpler, more reliable, and which allows laying rates much higher than current rates, which will give welders their full performance, and thus increase production.

A cet effet, une machine de pose de curseurs du type mentionné au début est, conformément à l'invention, caractérisée en ce que lesdits moyens pour ouvrir les curseurs et les introduire sur les bandes comprennent essentiellement, d'une part un rotor accouplé à des moyens moteurs permettant de l'en- trainer en rotation pas à pas, ce rotor étant pourvu à sa périphérie de logements s'ouvrant en direction radiale et aptes à recevoir chacun, à tour de rôle, un curseur en un emplacement d'arrivée des curseurs successifs, et d'autre part un stator, s'étendant le long d'une partie de la périphérie dudit rotor, essentiellement entre ledit emplacement d'arrivée des curseurs et ledit trajet des bandes de fermeture en défilement, lesdits logements du rotor ayant, vers l'extrémité terminale du stator, un parcours pratiquement tangent audit trajet, ledit stator. étant en outre excentré par rapport au rotor et conformé de telle sorte qu'il présente intérieurement, c'est-à-dire face au rotor, une surface d'appui pour les extrémités de la face d'introduction des curseurs, ladite surface, considérée dans le sens de rotation du rotor, étant à une distance du fond desdits logements qui va en diminuant progressivement, et en ce qu'un système de rampes ou analogues, prévu sur le rotor et/ou sur le stator, est agencé pour provoquer l'ouverture des curseurs lors du déplacement que, entrainés par leur logement respectif, ils effectuent vers les bandes de fermeture, lesdits curseurs pouvant ensuite, du fait de leur élasticité, se refermer sur lesdites bandes, en enfermant lesdits profilés d'accouplement, au moment où ils quittent leur logement, étant ensuite entrainés par les bandes en défilement.To this end, a slider laying machine of the type mentioned at the beginning is, in accordance with the invention, characterized in that said means for opening the sliders and introducing them onto the strips essentially comprise, on the one hand, a rotor coupled to motor means allowing it to be driven in rotation step by step, this rotor being provided at its periphery with housings opening in the radial direction and capable of each receiving, in turn, a cursor at a location arrival of successive sliders, and on the other hand a stator, extending along a part of the periphery of said rotor, essentially between said location of arrival of the sliders and said path of the closing closing bands, said rotor housings having, towards the terminal end of the stator, a path practically tangent to said path, said stator. being also eccentric with respect to the rotor and shaped so that it has internally, that is to say facing the rotor, a bearing surface for the ends of the insertion face of the sliders, said surface, considered in the direction of rotation of the rotor, being at a distance from the bottom of said housings which is gradually decreasing, and in that a system of ramps or the like, provided on the rotor and / or on the stator, is arranged to cause the opening of the sliders during the movement which, driven by their respective housing, they effect towards the closure strips, said sliders being able then, due to their elasticity, to close on said strips, by enclosing said coupling profiles, at when they leave their home, then being dragged by the moving bands.

Le fonctionnement d'une machine ainsi réalisée sera vu plus en détail par la suite.The operation of a machine thus produced will be seen in more detail below.

Lorsque les curseurs, comme connu, sont d'un type comportant sur leur fond deux joues extérieures qui, lorsqu'elles sont pincées, provoquent l'ouverture du curseur, ledit système de rampes peut avantageusement, et simplement, être constitué par une conformation en "V" du fond des logements du rotor, le long de laquelle peuvent ainsi glisser les chants desdites joues lorsque le curseur est progressivement pressé vers le fond de son logement par l'action de ladite surface d'appui du stator, ce quiprovoque l'ouverture dudit curseur tandis que celui-ci se déplace vers les bandes.When the sliders, as known, are of a type comprising on their bottom two outer cheeks which, when pinched, cause the opening of the cursor, said ramp system can advantageously, and simply, be constituted by a conformation in "V" from the bottom of the rotor housings, along which the edges of said cheeks can thus slide when the cursor is gradually pressed towards the bottom of its housing by the action of said stator bearing surface, which causes opening said cursor while it is moving towards the bands.

On pourrait aussi. prévoir, à titre de variante, que lesdits curseurs sont d'un type comportant à l'opposé de leur fond, à savoir sur les extrémités de leur face d'introduction, une ou deux paires d'oreilles, et que, dans un tel cas, pour l'obtention du même effet que précédemment, ledit système de rampes comporte, dans ladite surface d'appui du stator, des gorges ou analogues, recevant lesdites oreilles et les.écartant progressivement, pour ouvrir le curseur tandis que celui-ci se déplace vers les uanaes.We could too. provide, as a variant, that said sliders are of a type comprising, opposite their bottom, namely at the ends of their introduction face, one or two pairs of ears, and that, in such a case, for obtaining the same effect as previously, said ramp system comprises, in said stator bearing surface, grooves or the like, receiving said ears and gradually removing them, to open the cursor while the latter moved this towards the uanaes.

Au dessin ci-annexé :

  • - les figures 1 à 4 représentent schématiquement, dans leurs différentes positions de fonctionnement, les mâchoires d'une machine de pose connue, du type évoqué au début ;
  • - les figures 5 et 6 représentent schématiquement, respectivement en plan et en coupe transversale, le rotor et le stator d'une machine établie conformément à l'invention ;
  • - les figures 7a et 7b représentent un curseur à oreilles utilisable dans une variante de réalisation de la machine ; et
  • - la figure 8 représente un curseur métallique préouvert.
In the attached drawing:
  • - Figures 1 to 4 schematically show, in their different operating positions, the jaws of a known laying machine, of the type mentioned at the start;
  • - Figures 5 and 6 show schematically, respectively in plan and in cross section, the rotor and the stator of a machine established in accordance with the invention;
  • - Figures 7a and 7b show an ear slider usable in an alternative embodiment of the machine; and
  • - Figure 8 shows a pre-opened metal cursor.

La machine connue a été représentée, aux figures 1 à 4, comme adaptée à engager sur une paire de bandes de fermeture 1, à profilés d'accouplement 2, des curseurs connus du type comportant sur leur fond 3 des joues extérieures 4.The known machine has been shown, in FIGS. 1 to 4, as adapted to engage on a pair of closure strips 1, with coupling profiles 2, known sliders of the type comprising on their bottom 3 outer cheeks 4.

Ce que l'on a appelé plus haut "la face d'introduction des curseurs" a été référencé en 5 ; il s'agit en effet de la face, opposée au fond 3, par laquelle les curseurs seront introduits sur la paire de bandes 1. Les curseurs sont réalisés en une matière synthétique appropriée, leur conférant une certaine élasticité. Les curseurs sont amenés un par un à la machine par tous moyens d'alimentation adéquats (bol vibreur, glissières), propres à leur donner une orientation bien déterminée. Ils sont ainsi introduits entre les deux mâchoires 6 de la machine, lesquelles peuvent pivoter autour d'axes 7 (figure 1). Des moyens de commande appropriés font alors pivoter les deux mâchoires, dont les talons 8, en venant pincer les joues 4, provoquent alors l'ouverture du curseur, par pliage élastique le long de la ligne médiane de son fond 3 (figure 2) ; le défilement des bandes 1 étant stoppé, des pinces (non représentées) enserrent les deux bandes de fermeture 1 de chaque côté de l'emplacement auquel le curseur doit être introduit. Les mâchoires 6 ouvertes avancent alors vers les bandes (figure 3) pour l'introduction du curseur, puis s'en écartent pour le libérer (figure 4). Les pinces précitées relâchent les bandes, qui peuvent alors être remises en mouvement de défilement, puis les mâchoires 6 reviennent dans leur position initiale, ensuite de quoi le cycle peut se répéter comme sus-décrit.What has been called above "the introduction face of the cursors" has been referenced in 5; it is indeed the face, opposite the bottom 3, by which the sliders will be introduced on the pair of strips 1. The sliders are made of an appropriate synthetic material, giving them a certain elasticity. The sliders are brought one by one to the machine by any suitable feeding means (vibrating bowl, slides), capable of giving them a well-defined orientation. They are thus introduced between the two jaws 6 of the machine, which can pivot around axes 7 (Figure 1). Appropriate control means then pivot the two jaws, whose heels 8, by pinching the cheeks 4, then cause the opening of the cursor, by elastic folding along the median line of its bottom 3 (Figure 2); the scrolling of the bands 1 being stopped, pliers (not shown) enclose the two closure bands 1 on each side of the location at which the cursor is to be introduced. The open jaws 6 then advance towards the bands (FIG. 3) for the introduction of the cursor, then move away from it to release it (FIG. 4). The aforementioned clamps release the bands, which can then be returned to the running movement, then the jaws 6 return to their initial position, after which the cycle can be repeated as described above.

On voit qu'une telle machine est d'un fonctionnement assez-compliqué, les mouvements des mâchoires étant complexes (rotation, translation, écartement, rapprochement), et que ce fonctionnement est essentiellement discontinu. Cela explique les faibles cadences obtenues et la relative fréquence des pannes ou nécessités de réglages.We see that such a machine is quite complicated to operate, the movements of the jaws being complex (rotation, translation, spacing, approximation), and that this operation is essentially discontinuous. This explains the low rates obtained and the relative frequency of breakdowns or the need for adjustments.

On va maintenant décrire une machine conforme à l'invention, et plus précisément les moyens qui, sur cette machine, sont prévus pour l'ouverture et l'introduction des curseurs sur les bandes de fermeture, étant donné que les autres moyens annexes de la machine (alimentation en curseurs, guidage des bandes, etc.) peuvent être classiques et n'auront pas besoin d'être décrits.We will now describe a machine according to the invention, and more precisely the means which, on this machine, are provided for the opening and introduction of the sliders on the closure strips, given that the other additional means of the machine (feeding cursors, guiding the bands, etc.) can be conventional and need not be described.

Sur les figures 5 et 6, on a référencé en 9 le rotor mentionné plus haut et pourvu à sa périphérie de logements 10 s'ouvrant en direction radiale et propres à recevoir les curseurs (référencés globalement en 11). Le rotor 9 peut être en- trainé pas à pas, par exemple par l'intermédiaire d'une roue à rochet (non représentée) actionnée elle-même par un vérin commandé en synchronisme avec l'amenée des curseurs successifs 11, ainsi qu'avec la cadence de soudure.In FIGS. 5 and 6, the rotor mentioned above is referenced at 9 and provided at its periphery with housings 10 opening in the radial direction and suitable for receiving the cursors (generally referenced at 11). The rotor 9 can be driven step by step, for example by means of a ratchet wheel (not shown) actuated itself by a jack controlled in synchronism with the supply of the successive sliders 11, as well as with the welding rate.

Le long d'une partie de la périphérie du rotor 9, entre l'emplacement d'arrivée des curseurs 11 (partie inférieure de la figure 5) et le trajet suivi par les bandes de fermeture 1, s'étend un stator arqué 12. Ce stator présente vis-à-vis du rotor 9 une surface d'appui 13 et il est excentré par rapport au rotor de telle sorte que l'espace entre cette surface 13 et le fond 14 des logements 10 aille en diminuant progressivement dans le sens de rotation du rotor (flèche 15).Along a part of the periphery of the rotor 9, between the location of arrival of the sliders 11 (lower part of FIG. 5) and the path followed by the closure strips 1, extends an arcuate stator 12. This stator has a bearing surface 13 with respect to the rotor 9 and it is eccentric with respect to the rotor so that the space between this surface 13 and the bottom 14 of the housings 10 goes gradually decreasing in the direction rotor rotation (arrow 15).

Le fond 14 des logements a une forme particulière pour constituer ce que l'on a appelé plus haut "le système de rampes ou ànalogues" ; il a, comme visible sur la figure 6, un profil doublement en "V", avec deux paires de rampes 16 et 17, séparées par un palier 18.The bottom 14 of the housings has a particular shape to constitute what has been called above "the system of ramps or analogs"; as shown in FIG. 6, it has a doubly V-shaped profile, with two pairs of ramps 16 and 17, separated by a bearing 18.

Lorsqu'un curseur 11 est amené, dans la position voulue, à l'emplacement d'arrivée, il est poussé, par un poussoir 19 monté par exemple sur une tige 20 de vérin, dans le logement 14 qui lui fait face, à travers une ouverture de guidage 21 du stator 12 ,le rotor étant alors à l'arrêt.When a slider 11 is brought, in the desired position, to the arrival location, it is pushed, by a pusher 19 mounted for example on a cylinder rod 20, into the housing 14 which faces it, through a guide opening 21 of the stator 12, the rotor then being stopped.

Le rotor étant alors mis en relation, le logement occupé 14 entraine le curseur 11 dans le sens de la flèche 15 et les arêtes de la partie du curseur qui reste en dehors du rotor, c'est-à-dire les bords de ce que l'on a appelé plus haut "la face d'introduction des curseurs" sont pressées contre la surface d'appui 13 du stator 12. Du fait que l'espace ménagé entre cette surface 13 et le fond 14 du logement 10 diminue progressivement lors de la rotation dans le sens de la flèche 15, les chants des joues extérieures4 du curseur sont amenés à glisser le long des rampes 17 du fond 14 du logement, ce qui provoque l'ouverture progressive du curseur, jusqu'à la position représentée à la partie supérieure de la figure 6.The rotor then being connected, the occupied housing 14 drives the cursor 11 in the direction of the arrow 15 and the edges of the part of the cursor which remains outside the rotor, that is to say the edges of what has been called above "the insertion face of the sliders" are pressed against the bearing surface 13 of the stator 12. Because the space provided between this surface 13 and the bottom 14 of the housing 10 gradually decreases during rotation in the direction of the arrow 15, the edges of the outer cheeks 4 of the cursor are caused to slide along the ramps 17 of the bottom 14 of the housing, which causes the progressive opening of the cursor, up to the position shown in the upper part of FIG. 6.

On voit alors que les bords latéraux du fond 3 du curseur 11, qui s'étendent à l'extérieur des joues 4, sont en appui sur les paliers précités 18, tandis que les deux pattes latérales du curseur viennent s'appuyer sur les rampes 16.It can then be seen that the lateral edges of the bottom 3 of the slider 11, which extend outside the cheeks 4, are in abutment on the abovementioned bearings 18, while the two lateral tabs of the slider come to bear on the ramps 16.

Lorsque le curseur ouvert parvient ainsi sur les bandes de fermeture 1, le .fait qu'il quitte le logement correspondant 10 lui permet ensuite de .se refermer élastiquement sur les bandes en enfermant les profilés d'accouplement 2.When the open cursor thus reaches the closing strips 1, the fact that it leaves the corresponding housing 10 then allows it to close resiliently on the strips by enclosing the coupling profiles 2.

Il est à noter que pour ne pas surcharger le dessin, on n'a pas représenté le curseur dans le logement 10 sur la figure 5; il n'a été représenté, respectivement en position fermée et en position ouverte qu'à la partie inférieure et à la partie supérieure de la figure 6.It should be noted that in order not to overload the drawing, the cursor has not been shown in the housing 10 in FIG. 5; it has only been shown, respectively in the closed position and in the open position, at the bottom and at the top of FIG. 6.

Lorsque l'opération de pose qui vient d'être décrite a été effectuée, un nouveau cycle peut recommencer, le logement 10 diamétralement opposé à celui qui vient d'être quitté par le curseur 11 pouvant à son tour être alimenté en curseur.When the laying operation which has just been described has been carried out, a new cycle can start again, the housing 10 diametrically opposite to that which has just been left by the cursor 11 can in turn be supplied with the cursor.

On voit qu'une machine conforme à l'invention est d'une constitution simplifiée et d'un fonctionnement également très simple et pratiquement continu ; elle ne nécessite notamment aucun réglage et on a constaté qu'elle était aussi d'un fonctionnement très fiable.It can be seen that a machine according to the invention is of a simplified constitution and also of a very simple and practically continuous operation; in particular, it requires no adjustment and it has been found that it is also very reliable to operate.

Le mouvement suivi par le curseur entre son entrée dans le rotor et son introduction sur les bandes de fermeture, étant circulaire, il n'y pas pas besoin de retour en arrière, ce qui entraine un gain de temps et permet d'obtenir des vitesses de pose de l'ordre de cent curseurs à la minute.The movement followed by the cursor between its entry into the rotor and its introduction on the closure strips, being circular, there is no need to go back, which saves time and makes it possible to obtain speeds. about 100 cursors per minute.

On peut ainsi augmenter notablement la vitesse de défilement des bandes de fermeture et concomitamment la vitesse de fonctionnement des soudeuses;avec finalement un gain de production très important.We can thus significantly increase the running speed of the closure strips and concomitantly the operating speed of the welders; ultimately with a very significant production gain.

Une simplication de la machine résulte du fait qu'aucune pince enserrant les bandes de fermeture n'est nécessaire et que celles-ci peuvent donc continuer à défiler pendant la pose des curseurs Il suffit de moyens de guidage clas- siquespour les bandes de fermeture, avec des moyens de mise en tension quelconquesde celles-ci.A simplification of the machine due to the fact that no clamp through which the closure strip is n e ire stopped and that they can therefore continue to march during installation sliders Simply guide means clas- siquespour bands closure, with any tensioning means therefor.

Aux figures 7a et 7b on a représenté à titre de variante un autre type de curseur, référencé en 22, et pouvant également être posé par une machine conforme à l'invention.In FIGS. 7a and 7b there is shown, as a variant, another type of cursor, referenced at 22, and which can also be placed by a machine according to the invention.

Au lieu de comporter des joues 4 s'étendant à partir de leur fond 3, ces curseurs ont été munis d'une paire d'oreilles 23, l'une prévue à une extrémité du curseur sur l'une de ses pattes latérales et l'autre sur l'autre patte mais à l'extrémité opposée. Ces oreilles pourront ainsi être guidées par des rainures ou par une rampe appropriée prévue sur la surface 13 du stator, d'une manière telle qu'elles soient progressivement écartées l'une de l'autre.pour provoquer l'ouverture du curseur 22 lors de son déplacement dans le sens de la flèche 15. Le fonctionnement de la machine serait donc essentiellement le même que celui qui vient d'être décrit.Instead of having cheeks 4 extending from their bottom 3, these sliders have been provided with a pair of ears 23, one provided at one end of the slider on one of its lateral legs and the other on the other leg but at the opposite end. These ears can thus be guided by grooves or by an appropriate ramp provided on the surface 13 of the stator, in such a way that they are progressively spaced from one another. To cause the opening of the cursor 22 during of its movement in the direction of arrow 15. The operation of the machine would therefore be essentially the same as that which has just been described.

La machine pourrait encore permettre d'effectuer la pose automatique, non plus de curseurs en matière synthétique élastique, mais de curseurs métalliques 24 préouverts,moulés ou emboutis(figure 8).The machine could also make it possible to carry out automatic installation, no longer of sliders made of elastic synthetic material, but of metal sliders 24 which are pre-covered, molded or stamped (FIG. 8).

La machine serait alors modifiée pour, non plus provoquer une ouverture progressive du curseur mais bien entendu pour provoquer la fermeture progressive du curseur jusqu'à ce qu'il vienne, à l'extrémité terminale du stator 12, enserrer les bandes de fermeture 1 et leur profilé d'accouplement 2.The machine would then be modified to no longer cause a progressive opening of the cursor but of course to cause the progressive closing of the cursor until it comes, at the terminal end of the stator 12, to enclose the closure strips 1 and their coupling profile 2.

Comme il va de soi, et comme il résulte d'ailleurs déjà de ce qui précède, l'invention ne se limite nullement à ceux de ses modes d'application et de réalisation qui ont été plus particulièrement envisagés ; elle en embrasse, au contraire, toutes les variantes.As goes without saying, and as it already follows from the above, the invention is in no way limited to those of its modes of application and embodiments which have been more particularly envisaged; on the contrary, it embraces all its variants.

Claims (4)

1. Machine pour la pose automatique de curseurs sur des bandes de fermeture à profilés d'accouplement, cette machine comportant des moyens d'amenée des curseurs les uns à la suite des autres et dans une position déterminée, des moyens de guidage d'une paire de bandes de fermeture coopérantes selon un trajet essentiellement rectiligne, et des moyens pour ouvrir les curseurs et les introduire sur les bandes, caractérisée en ce quelesdits moyens pour ouvrir les curseurs et les introduire sur les bandes comprennent essentiellement, d'une part un rotor accouplé à des moyens moteurs permettant de l'entrainer en rotation pas à pas, ce rotor étant pourvu à sa périphérie de logements s'ouvrant en direction radiale et aptes à recevoir chacun, à tour de rôle, un curseur, en un emplacement d'arrivée des curseurs successifs, et d'autre part un stator, s'étendant le long d'une partie de la périphérie dudit rotor, essentiellement entre ledit emplacement d'arrivée des curseurs et ledit trajet des bandes de fermeture en défilement, lesdits logements du rotor ayant, vers l'extrémité terminale du stator, un parcours pratiquement tangent audit trajet, ledit stator étant en outre excentré par rapport au rotor, et conformé de telle sorte qu'il présente intérieurement, c'est-à-dire face au rotor, une surface d'appui pour les extrémités de la face d'introduction des curseurs, ladite surface, considérée dans le sens de rotation du rotor, étant à une distance du fond desdits logements qui va en diminuant progressivement, et en ce qu'un système de rampes ou analogues, prévu sur le rotor et/ou sur le stator,-est agencé pour provoquer l'ouverture des curseurs lors du déplacement que, entrainés par leur logement respectif, ils effectuent vers les bandes de fermeture, lesdits curseurs pouvant ensuite, du fait de leur élasticité, se refermer sur lesdites bandes, en enfermant lesdits profilés d'accouplement, au moment où ils quittent leur logement, étant ensuite entrainés par les bandes en défilement.1. Machine for the automatic installation of sliders on closure strips with coupling profiles, this machine comprising means for bringing the sliders one after the other and in a determined position, means for guiding a pair of cooperating closing bands along an essentially rectilinear path, and means for opening the sliders and introducing them onto the bands, characterized in that said means for opening the sliders and introducing them onto the bands essentially comprise, on the one hand, a rotor coupled to motor means making it possible to drive it in step-by-step rotation, this rotor being provided at its periphery with housings opening in the radial direction and capable of each receiving, in turn, a cursor, at a location of arrival of successive sliders, and on the other hand a stator, extending along a part of the periphery of said rotor, essentially between said location of arrival of the sliders and said path of the bands es of closing while running, said rotor housings having, towards the terminal end of the stator, a path practically tangent to said path, said stator being further off-center with respect to the rotor, and shaped so that it presents internally, c that is to say facing the rotor, a bearing surface for the ends of the face for introducing the sliders, said surface, considered in the direction of rotation of the rotor, being at a distance from the bottom of said housings which goes in gradually decreasing, and in that a system of ramps or the like, provided on the rotor and / or on the stator, is arranged to cause the opening of the sliders during the displacement which, driven by their respective housing, they effect towards the closing bands, said sliders being able then, due to their elasticity, to close on said bands, by enclosing said coupling profiles, when they leave their housing, being then entrained by the bands in movement nt. 2. Machine selon la revendication 1, caractérisée en ce que, lesdits curseurs étant d'un type comportant sur leur fond deux joues extérieures qui, lorsqu'elles sont pincées, provoquent l'ouverture du curseur, ledit système de rampes est constitué par une conformation en "V" du fond des logements du rotor, le long de laquelle peuvent ainsi glisser les chants desdites joues lorsque le curseur est progressivement pressé vers le fond de son logement par l'action de ladite surface d'appui du stator, ce qui provoque l'ouverture dudit curseur tandis que celui-ci se déplace vers les bandes.2. Machine according to claim 1, characterized in that, said sliders being of a type comprising on their bottom two outer cheeks which, when pinched, cause the opening of the slider, said ramp system consists of a "V" shape of the bottom of the rotor housings, along which the edges can slide of said cheeks when the cursor is gradually pressed towards the bottom of its housing by the action of said bearing surface of the stator, which causes said cursor to open while the latter is moving towards the strips. 3. Machine selon la revendication 1, caractérisée en ce que lesdits curseurs sont d'un type comportant à l'opposé de leur fond, à savoir sur les extrémités de leur face d'introduction, une ou deux paires d'oreilles,et en ce que ledit système de rampes comporte, dans ladite surface d'appui du stator, des gorges ou analogues, recevant lesdites oreilles et les écartant progressivement, pour ouvrir le curseur tandis que celui-ci se déplace vers les bandes.3. Machine according to claim 1, characterized in that said sliders are of a type comprising opposite their bottom, namely on the ends of their introduction face, one or two pairs of ears, and that said ramp system comprises, in said stator bearing surface, grooves or the like, receiving said ears and progressively moving them apart, to open the cursor while the latter is moving towards the bands. 4. Machine pour la pose automatique de curseurs sur des bandes de fermeture à profilés d'accouplement, cette machine comportant des moyens d'amenée des curseurs les uns à la suite des autres et dans une position déterminée, des moyens de guidage d'une paire de bandes de fermeture coopérantes selon un trajet essentiellement rectiligne, et des moyens pour fermer les curseurs et les introduire sur les bandes, ces curseurs étant préouverts, caractérisée en ce que lesdits moyens pour fermer les curseurs et les introduire sur les bandes comprennent essentiellement, d'une part un rotor accouplé à des moyens moteurs permettant de l'entraîner en rotation pas à pas, ce rotor étant pourvu à sa périphérie de logements s'ouvrant en direction radiale et aptes à recevoir chacun, à tour de rôle, un curseur, en un emplacement d'arrivée des curseurs successifs, et d'autre part un stator, s'étendant le long d'une partie de la périphérie dudit rotor, essentiellement entre ledit emplacement d'arrivée des curseurs et ledit trajet des bandes de fermeture en défile- )ment, lesdits logements du rotor..ayant, vers l'extrémité terminale du stator, un parcours pratiquement tangent audit trajet, ledit stator étant en outre excentré par rapport au rotor, et conformé de telle sorte qu'il présente intérieurement, c'est-à-dire face au rotor, une surface d'appui pour les extrémités de la face d'introduction des curseurs, ladite surface, considérée dans le sens de rotation du rotor, étant à une distance du fond desdits logements qui va en diminuant progressivement, et en ce qu'un système de rampes ou analogues, prévu sur le rotor et/ou sur le stator, est agencé pour provoquer la fermeture des curseurs lors du déplacement que, entrainés par leur logement respectif, ils effectuent vers les bandes de fermeture, lesdits curseurs étant ainsi refermés sur lesdites bandes, en enfermant lesdits profilés d'accouplement, au moment où ils quittent leur logement, étant ensuite entrainés par les bandes en défilement.4. Machine for automatically placing sliders on closure strips with coupling profiles, this machine comprising means for feeding the sliders one after the other and in a determined position, means for guiding a pair of cooperating closing bands along an essentially rectilinear path, and means for closing the cursors and introducing them onto the bands, these cursors being pre-covered, characterized in that said means for closing the cursors and introducing them onto the bands essentially comprise, on the one hand, a rotor coupled to motor means making it possible to drive it in step-by-step rotation, this rotor being provided at its periphery with housings opening in the radial direction and capable of each receiving, in turn, a slider , at a point of arrival of the successive sliders, and on the other hand a stator, extending along a part of the periphery of said rotor, essentially between said point of arrival of c urseurs and said path of the closing closing bands), said rotor housings having, towards the terminal end of the stator, a path practically tangent to said path, said stator being furthermore eccentric with respect to the rotor, and shaped so that it has internally, that is to say facing the rotor, a bearing surface for the ends of the insertion face of the sliders, said surface, considered in the direction of rotation of the rotor, being at a distance from the bottom of said housings which is gradually decreasing, and in that a system of ramps or the like, provided on the rotor and / or on the stator, is arranged to cause the closing of the sliders during the movement that, driven by their res housing pectif, they carry out towards the closing strips, said sliders being thus closed on said strips, by enclosing said coupling profiles, when they leave their housing, then being driven by the running bands.
EP19810401585 1980-10-14 1981-10-13 Machine for automatically putting sliders in position on stringer tapes with profiled interlocking members Expired EP0051010B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8021974A FR2491742A1 (en) 1980-10-14 1980-10-14 MACHINE FOR THE AUTOMATIC LAYING OF SLIDERS ON CLOSURE STRIPS WITH COUPLING PROFILES
FR8021974 1980-10-14

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EP0051010A1 true EP0051010A1 (en) 1982-05-05
EP0051010B1 EP0051010B1 (en) 1984-05-30

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DE (1) DE3136075A1 (en)
FR (1) FR2491742A1 (en)
GB (1) GB2085519B (en)

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WO1999056947A1 (en) 1998-05-05 1999-11-11 Flexico-France Method for producing bags comprising closure profiles actuated by a slider
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US6477821B1 (en) 1998-05-05 2002-11-12 Flexico-France Method for producing bags comprising closure profiles actuated by a slider
US6334709B1 (en) 1998-06-03 2002-01-01 Flexico-France Stack of bags having cursors initialed positioned offset from each other
US7517150B2 (en) 1998-06-17 2009-04-14 S2F Flexico Bag having cursor-actuated complementary closure strips
US6902321B2 (en) 1998-06-17 2005-06-07 S2F Flexico Bag having cursor-actuated complementary closure strips with additional leakproofing structure
US6632021B2 (en) 1998-06-17 2003-10-14 Illinois Tool Works Inc. Bag having slider-actuated complementary closure strips and a leakproofing structure
WO1999065353A1 (en) 1998-06-17 1999-12-23 Flexico-France Bag comprising matching closing sections actuated by a slider
FR2780038A1 (en) 1998-06-17 1999-12-24 Flexico France Sarl Bag with interlocking closure sections actuated by slider
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FR2780036A1 (en) 1998-06-17 1999-12-24 Flexico France Sarl Bag with interlocking closure sections actuated by slider
US6761481B1 (en) 1998-06-17 2004-07-13 Flexico-France Bag comprising matching closing sections actuated by a slider
US6755569B2 (en) 1998-06-17 2004-06-29 Flexico-France Bag having cursor-actuated complementary closure strips with additional leakproofing structure
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EP1153552A3 (en) * 2000-05-11 2004-02-18 ASF Verwaltungs GmbH Slider for a plastic fastener tape
EP1153552A2 (en) * 2000-05-11 2001-11-14 ASF Verwaltungs GmbH Slider for a plastic fastener tape
EP1169934A3 (en) * 2000-07-06 2004-03-31 Reynolds Consumer Products, Inc. Method and apparatus for positionning applied slider
EP1169934A2 (en) * 2000-07-06 2002-01-09 Reynolds Consumer Products, Inc. Method and apparatus for positionning applied slider
FR2824806A1 (en) 2001-05-15 2002-11-22 Flexico France Sarl Plastic bag making machine and procedure for bags with closing strips operated by sliders has closures inserted into folds made in film layer
US6460238B1 (en) 2001-07-24 2002-10-08 Pactiv Corporation Plastic bag slider and end termination installation assembly and method
US6804935B2 (en) 2001-09-24 2004-10-19 Illinois Tool Works Inc. Form, fill and seal packaging method utilizing zipper with slider
EP1295797A3 (en) * 2001-09-24 2003-06-11 Illinois Tool Works Inc. Form, fill and seal packaging method and apparatus
EP1295797A2 (en) * 2001-09-24 2003-03-26 Illinois Tool Works Inc. Form, fill and seal packaging method and apparatus
US7461434B2 (en) 2005-05-26 2008-12-09 S.C. Johnson Home Storage, Inc. Slider for closure assembly
US7506416B2 (en) 2005-05-26 2009-03-24 S.C. Johnson Home Storage, Inc. Closure assembly and slider therefore
US7574782B2 (en) 2005-05-26 2009-08-18 S.C. Johnson Home Storage, Inc. Apparatus and method of operatively retaining an actuating member on an elongate closure mechanism

Also Published As

Publication number Publication date
FR2491742B1 (en) 1982-11-26
DE3136075C2 (en) 1990-11-15
DE3136075A1 (en) 1982-05-06
GB2085519A (en) 1982-04-28
FR2491742A1 (en) 1982-04-16
EP0051010B1 (en) 1984-05-30
GB2085519B (en) 1984-03-28

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